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Biomass, spacing and planting design influence cut-and-chip harvesting in hybrid poplar

Journal Article · · Biomass and Bioenergy
 [1];  [2];  [3];  [3];  [3];  [4];  [3];  [3];  [3]
  1. State Univ. of New York, Syracuse, NY (United States). College of Environmental Science and Forestry; SUNY-ESF
  2. State Univ. of New York, Syracuse, NY (United States). College of Environmental Science and Forestry
  3. Greenwood Resources Inc., Portland, OR (United States)
  4. CNH America LLC, New Holland, PA (United States)
Hybrid poplar is a woody crop grown for the production of bioenergy, biofuels and bioproducts. Harvesting is often the largest single cost in the production system and the development and optimization of equipment is evolving. Here, the objective of this study was to evaluate the performance of a single-pass, cut-and-chip harvesting operation in commercial plantings that included four cultivars, two spacing treatments, and two coppice planting designs (dedicated, and interplanted with sawtimber). Approximately 15 h of harvesting using a New Holland 9080 forage harvester equipped with a purpose-built coppice header was monitored over four days. Stand biomass ranged between 34 and 78 Mg ha–1 of fresh biomass and effective material capacity (Cm) of the harvester ranged from 10 to 78 Mg h–1 of fresh biomass excluding headland activities. Tree spacing had a significant effect on Cm but cultivar and planting design did not. The treatments did not have discernible effects on machine fuel consumption (mean 83 L h–1; σ 16.4) or crop-specific fuel consumption for fresh biomass (mean 1.34 L Mg–1; σ 0.31). Crop-specific fuel consumption was positively correlated with engine load, and negatively correlated with standing biomass; this result was statistically significant but negligible (<1%) in terms of liters of fuel used for each additional Mg ha–1 of stand biomass for engine loads ranging between 30% and 110%.
Research Organization:
State Univ. of New York, Syracuse, NY (United States). College of Environmental Science and Forestry
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Bioenergy Technologies Office
Grant/Contract Number:
EE0006638
OSTI ID:
1722930
Alternate ID(s):
OSTI ID: 1549957
Journal Information:
Biomass and Bioenergy, Journal Name: Biomass and Bioenergy Vol. 106; ISSN 0961-9534
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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